Avoid mixing wheels or hub and bolt assemblies of different mounting systems with common bolt patterns. Examples:
U.S. hub piloted (22mm wheel bolts) with 8 hole 275mm ISO (20mm wheel bolts).
DCN stud piloted with 10 hole hub piloted.
Inner Cap Nuts
Inner cap nuts for aluminum inner dual DCN wheels must be high-strength nuts made from material equivalent to SAE Grade 8 and should conform to industry part number 5988. These nuts are not available from Motor Wheel.
WHEEL USAGE: The abbreviations for Wheel Usage are:
For use with steel wheels For use with aluminum wheels
For use with steel or aluminum wheels
Double Cap Nut
Cone Lock Nut
ABS ring face location
Footnotes (Hub & Drum Assemblies sections)
The letters in the Footnotes column have the following meaning:
K L M Q T U V W Y Z
10 / 8.75 Lube fill: 1/4-18 NPTF - Iron Hubs, 9/16-18 0-ring Seal -Alum. Hubs
For axles with 8.62” linings located at the 7” brake location For axles with 8.62” linings located inboard of the 7” brake location For industry axles except Meritor TN or TB For Meritor TN or TB axles only Assembly includes an unbalanced drum 80-tooth ABS rings for use with tire diameters 15” and 17.5”
ORDERING SUFFIXES OPTIONAL PART NUMBER SUFFIXES FOR MOTOR WHEEL PRODUCTS
Bearing Cup Suffix Added to Part Number f
T TH H SC
Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy Hub Assy, Hub+Drum Assy
Means Timken case-hardened bearing cups Timken thru-hardened bearing cups Hyatt / General Bearing Corp. cups Stemco-supplied bearing cups
Hub Assy, Hub+Drum Assy
White Hub Paint (Default is black).
Note: CentriFuse drums are always supplied BALANCED Full-Cast Drum Balance
Trailer Hub+Drum Assy’s
Use Balanced Full-Cast Drum
Assembly Nuts M M M1 M8
Note: Default is 2 disposable nuts
Full-Cast Hub+Drum Assy CLN Inboard Hub+Drum Assy DCN Hub+Drum Assy CLN or DCN Hub+Drum Assy CLN (8-Hole)
(2) usable wheel nuts installed (20) usable wheel nuts installed (only Lowboy assys) (10) usable wheel nuts installed (8) usable wheel nuts installed
4809001 Z M1= Hub+Drum 4809001 with Balanced Drum & 10 usable nuts 410050 T W = 410050 White Hub Assembly with Timken case-hardened cups